it's indeed very interesting... i've wondered about this a lot myself...
sometimes when i hear people speaking armenian, i try to block the meaning of the words, try to pretend i don't understand the language, and try to hear just how it sounds... needless to say it doesn't work...
though, one bulgarian coworker says it sounds like turkish to him...
one other interesting thing... there are a lot of ethiopians in las vegas, and i get to hear them talk a lot... when i'm not paying attention, and they suddenly start talking, for a split second it feels as though someone is talking in armenian... i can't help but turn to look... although the words are absolutely not similar, their intonation (to ea armenian of yerevan region) and sounds do sound like armenian...